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Ask an Expert
Ravin Agah, M.D., Ph.D.
Palo Alto Foundation Medical Group
What is the relationship between herpes and shingles? I have been diagnosed with herpes, and am experiencing breakouts of pimples/blisters on my arms, legs and chest, made worse by stress and physical activity that makes me sweat. What can be done?
Herpes and shingles are actually caused by two different viruses, from the same family. What we traditionally call "herpes" is caused by herpes simplex. Oral herpes, causing fever blisters and cold sores, is ca... continue reading about What is the relationship between herpes and shingles? I have been diagnosed with herpes, and am experiencing breakouts of pimples/blisters on my arms, legs and chest, made worse by stress and physical activity that makes me sweat. What can be done?
Deborah Kurzrock, R.D.
Mills-Peninsula Medical Center
I have been a vegetarian /pescatarian for over a year, and I keep reading that B-12 is one of the major vitamins that we lack on this diet. What foods can I consume that will help me sustain B-12 vitamins with a vegetarian/pescatarian diet?
The adult recommended intake for vitamin B12 is very low, but this is an essential nutrient so vegetarians (no meat) and pescatarians (include fish)should be aware of good sources. Vitamin B12 is needed for cel... continue reading about I have been a vegetarian /pescatarian for over a year, and I keep reading that B-12 is one of the major vitamins that we lack on this diet. What foods can I consume that will help me sustain B-12 vitamins with a vegetarian/pescatarian diet?
Ask the Expert Team
Sutter Health
I have seasonal allergies. I previously went through allergy injections but I didn't feel like they were making much of a difference after several years of treatment. Is it okay to take something like Claritin D 12 hr for an extended period of time?
Yes, it is ok to take the medication for an extended period of time. However, the "D" formulation has a decongestant (which is what the 'D' represents in the name) and this can raise your blood pressure. I woul... continue reading about I have seasonal allergies. I previously went through allergy injections but I didn't feel like they were making much of a difference after several years of treatment. Is it okay to take something like Claritin D 12 hr for an extended period of time?
Kathy O'Hare, ABT
Alta Bates Summit Medical Center
What are some natural remedies you can take to improve sleep and to reduce frequent waking up at night?
Insomnia can be a pretty frustrating condition. But before you go to your doctor for those sleeping pills, there may be some effective natural remedies that you can try to get a good night's sleep. One of the f... continue reading about What are some natural remedies you can take to improve sleep and to reduce frequent waking up at night?
Toni J. Brayer, M.D.
Sutter West Bay Medical Group
I read on your site that calcium supplements are not advisable as it contributes to heart disease, but calcium ingested in food doesn't. I'm reluctant to take supplemental calcium, but have continued to take Vitamin D on the days I'm not in the sun.
A number of studies have shown that supplemental calcium is linked to both heart attack and kidney stones in some people. For this reason, women are encouraged to get their calcium from food and dairy products ... continue reading about I read on your site that calcium supplements are not advisable as it contributes to heart disease, but calcium ingested in food doesn't. I'm reluctant to take supplemental calcium, but have continued to take Vitamin D on the days I'm not in the sun.
Ask the Expert Team
Sutter Health
I've heard that you can't get pregnant during your period. Is this just an old wives tale? Should I be concerned about protection during this time?
You can get pregnant only around the time of ovulation, which for most women with regular 28-day cycles corresponds to days 12-16. So if your period comes at the expected time and is normal in terms of flow, it... continue reading about I've heard that you can't get pregnant during your period. Is this just an old wives tale? Should I be concerned about protection during this time?
Sue Hazeghazam, R.D.
Sutter Medical Center, Sacramento
I know I should eat more vegetables but I hate veggies! Especially those super healthy ones like broccoli and cauliflower. Are there good supplements I can take or some kind of yummy chocolate shake with hidden vegetables in it?
A vitamin supplement, or even a chocolate vitamin shake, usually contains 25% or more of some vitamins or minerals that our bodies need. However, most lack the natural beneficial ingredients from the plants the... continue reading about I know I should eat more vegetables but I hate veggies! Especially those super healthy ones like broccoli and cauliflower. Are there good supplements I can take or some kind of yummy chocolate shake with hidden vegetables in it?
Steven Machtinger, M.D.
Mills-Peninsula Medical Center
I had a food allergy test about five years ago. All the tests came back negative. How long are the tests reliable? Can I still get a new food allergy in the future?
The significance of a food allergy test cannot be interpreted out of context. For example, if you had a life-threatening anaphylactic reaction to peanuts but the food allergy test was negative, it would not nec... continue reading about I had a food allergy test about five years ago. All the tests came back negative. How long are the tests reliable? Can I still get a new food allergy in the future?
Deborah Kurzrock, R.D.
Mills-Peninsula Medical Center
I recently was diagnosed with Graves's disease. I also have gluten intolerance and have been eating some gluten foods. Do you think that my diet contributed to hyperthyroidism?
I do not think that your diet contributed to your condition of hyperthyroidism. There is no relation between the two conditions that I am aware of. Graves disease is an immune system disorder that results in th... continue reading about I recently was diagnosed with Graves's disease. I also have gluten intolerance and have been eating some gluten foods. Do you think that my diet contributed to hyperthyroidism?